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Jin YU, Peng-Cheng WANG, Lei LÜ, Zheng-Wang ZHANG, Yong WANG, Ji-Liang XU, Jian-Qiang LI, Bo XI, Jia-Gui ZHU, Zhi-Yong DU. 2016: 银喉长尾山雀(Aegithalos caudatus glaucogularis)昼间暖雏行为. 动物学研究, 37(2): 84-89. DOI: 10.13918/j.issn.2095-8137.2016.2.84
引用本文: Jin YU, Peng-Cheng WANG, Lei LÜ, Zheng-Wang ZHANG, Yong WANG, Ji-Liang XU, Jian-Qiang LI, Bo XI, Jia-Gui ZHU, Zhi-Yong DU. 2016: 银喉长尾山雀(Aegithalos caudatus glaucogularis)昼间暖雏行为. 动物学研究, 37(2): 84-89. DOI: 10.13918/j.issn.2095-8137.2016.2.84
Jin YU, Peng-Cheng WANG, Lei LÜ, Zheng-Wang ZHANG, Yong WANG, Ji-Liang XU, Jian-Qiang LI, Bo XI, Jia-Gui ZHU, Zhi-Yong DU. 2016: Diurnal brooding behavior of long-tailed tits (Aegithalos caudatus glaucogularis). Zoological Research, 37(2): 84-89. DOI: 10.13918/j.issn.2095-8137.2016.2.84
Citation: Jin YU, Peng-Cheng WANG, Lei LÜ, Zheng-Wang ZHANG, Yong WANG, Ji-Liang XU, Jian-Qiang LI, Bo XI, Jia-Gui ZHU, Zhi-Yong DU. 2016: Diurnal brooding behavior of long-tailed tits (Aegithalos caudatus glaucogularis). Zoological Research, 37(2): 84-89. DOI: 10.13918/j.issn.2095-8137.2016.2.84

银喉长尾山雀(Aegithalos caudatus glaucogularis)昼间暖雏行为

Diurnal brooding behavior of long-tailed tits (Aegithalos caudatus glaucogularis)

  • 摘要: 暖雏是鸟类在育雏早期主要的繁殖投入之一,对雏鸟的生长发育和存活有着重要的影响。研究成鸟的暖雏行为对了解鸟类的繁殖投入具有重要的意义。2013年和2014年1-6月,我们以河南董寨国家级自然保护区的银喉长尾山雀(Aegithalos caudatus glaucogularis)为研究对象,探究了雏鸟日龄、窝雏数、外界气温、相对繁殖季节、昼间(8:00-18:00)时间段和暖雏期间成鸟喂雏次数对昼间亲鸟单次暖雏时长的影响。结果表明,银喉长尾山雀雌雄亲鸟在育雏早期的繁殖投入策略具有明显差异,即雌性亲鸟主要承担暖雏投入,而雄性亲鸟主要承担喂食任务。在涉及的2个合作繁殖巢中,未发现帮手参与暖雏。暖雏期间雏鸟获得喂食次数的增加能够显著地增加暖雏亲鸟每次暖雏的时长(F=86.10, df=1, 193.94, P<0.001)。研究还表明,随着雏鸟日龄的增加,亲鸟会显著降低单次暖雏时长(F=5.99, df=1, 50.13, P=0.018);在第6日龄时亲鸟几乎停止昼间暖雏,表明雏鸟在第6日龄时可能已基本具备维持体温的能力。此外,亲鸟的暖雏行为也受窝雏数(F=12.74, df=1, 32.08, P=0.001)和外界气温(F=5.83, df=1, 39.59, P=0.021)的影响。在窝雏数更大的巢,亲鸟暖雏时长更短;而外界气温越高,亲鸟单次暖雏时长越短。

     

    Abstract: Brooding is a major breeding investment of parental birds during the early nestling stage, and has important effects on the development and survival of nestlings. Investigating brooding behavior can help to understand avian breeding investment strategies. From January to June in 2013 and 2014, we studied the brooding behaviors of long-tailed tits (Aegithalos caudatus glaucogularis) in Dongzhai National Nature Reserve, Henan Province, China. We analyzed the relationships between parental diurnal brooding duration and nestling age, brood size, temperature, relative breeding season, time of day and nestling frequencies during brooding duration. Results showed that female and male long-tailed tit parents had different breeding investment strategies during the early nestling stage. Female parents bore most of the brooding investment, while male parents performed most of the nestling feedings. In addition, helpers were not found to brood nestlings at the two cooperative breeding nests. Parental brooding duration was significantly associated with the food delivered to nestlings (F=86.10, df=1, 193.94, P<0.001), and was longer when the nestlings received more food. We found that parental brooding duration declined significantly as nestlings aged (F=5.99, df=1, 50.13, P=0.018). When nestlings were six days old, daytime parental brooding almost ceased, implying that longtailed tit nestlings might be able to maintain their own body temperature by this age. In addition, brooding duration was affected by both brood size (F=12.74, df=1, 32.08, P=0.001) and temperature (F=5.83, df=1, 39.59, P=0.021), with it being shorter in larger broods and when ambient temperature was higher.

     

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